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Date
Re: WTB HP 8660C Module Extension Cables 11672
Hello do you still have the extention cables . 11672-60001. Please let me know Thanks Bob Levy
By ROBERT LEVY · #112021 ·
Re: 8590B low sensitivity problem
Martin, Two things: Check your email for an email from me. Be very careful when checking anything in the input circuit with an ohmmeter. Don't make any measurements where the input mixer could be
By Sam Reaves · #112020 ·
Re: Can capacitors
Go to https://www.tubesandmore.com/products/capacitors?filters=Brand%3DCE%20Manufacturing They sell the CE Mfg can caps. Dave
By David Schneider · #112019 ·
Re: Agilent 54831M
I have quite a few updates. The external monitor I had was working. Yesterday I tried my (very) old PC to boot the original hard drive that was in the scope and noticed weird things with the monitor.
By Bostonman <bostonman73@...> · #112018 ·
Re: Weather resistant, covered Litz wire wanted.
This is why I love this site!!
By Mike Vande Voort · #112017 ·
Re: Weather resistant, covered Litz wire wanted.
Hi John, I guess the definition of bad varies depending on the task. I had always heard that PVC wasn't great, but for most ordinary tasks HF -> VHF, it would suffice. The hams have been touting the
By Chuck Harris · #112016 ·
Re: Repairing flat high voltage ribbon used in HP displays
That's a good tip, I will need to check. The PDA
By Toby · #112015 ·
Re: hp 8340B YIG UNLOCK error
I didn't *see* any traces. In a chat with a friend of mine earlier tonight, the thought came up that the problem may have been caused by *silver migration*. Since the bolt/nut and possibly the center
By Raymond Domp Frank · #112014 ·
Re: Weather resistant, covered Litz wire wanted.
This is a copy of a old post (I think mine) from a loop antenna group... #### For plastics used in RF, you're looking for the compounds with the lowest "loss tangent"/"dissipation factor" (which
By Andy ZL3AG · #112013 ·
Re: 8590B power supply repair
That is the classic symptom of a shorted bridge rectifier on the power line input of the supply. Replace the bridge, and the 470uf cap, and you will be on the road to recovery. RIFA caps rarely do any
By Chuck Harris · #112012 ·
Re: Can capacitors
Hi Folks. CE Dist is in the same building as Antique Electronic Supply in Tempe, AZ. They are just a wholesale arm of the same company. You can find CE caps at TubesAndMore.com Dan in Chandler, AZ
By Daniel Nelson · #112011 ·
Re: 8590B power supply repair
Hi Tom, I am not familiar w/this supply (assume it's NOT from HP) but I would have input diode rectifiers handy (single or bridge) as well as MOSFET's that drive the transformer. Hope you have a
By Mark Bielman · #112010 ·
Re: Weather resistant, covered Litz wire wanted.
For a comparison of PVC versus PE (HDPE is just as good), the best source of dielectric loss mesurements is Von Hipples work from MIT, around WWII. Since you may not have his text book, can download
By John Lyles · #112009 ·
8590B power supply repair
Hello All, I picked up a clean 8590B SA.? The power supply is bad, HP part number is 0950-1977.? It acts like a direct short across the AC line (i.e., blows the line fuse immediately).??? I know
By Tom B · #112008 ·
Re: Can capacitors
Before you can view the prices you need to register, when you do this you have to declare that the products are not for personal use and submit your business details. 73 Ken M0KHW
By KEN WRIGHT · #112007 ·
Re: Weather resistant, covered Litz wire wanted.
Donald, Out of curiosity, are you trying to receive a single frequency or a band of frequencies.? If you are seeking a single frequency with rather high Q, there is a simpler solution. Bruce, KG6OJI
By ebrucehunter · #112006 ·
Re: 8590B low sensitivity problem
Not sure if the 8590 has , but the early HP SAs had a fuse in the input N connector, you maybe lucky Check between the center pin of the N connector and the end of the cable attached measure the
By Richard <richard@...> · #112005 ·
Re: 8590B low sensitivity problem
Hi I do not have a chart of correct signal levels handy. Based on experience though, the vast majority of the time the symptoms you mention point to a blown first mixer. The sttenuator also is a
By victor smith · #112004 ·
Re: Repairing flat high voltage ribbon used in HP displays
Hi Toby, The repair was done more than 30 years ago, and I don't think I remember all details ! While the epoxy was curing, I think I created pressure on the flat cable by sticking it tightly between
By Joel Setton · #112003 ·
Re: Can you ID these Tracking Generator parts please?
Hi I don't see any one replying to you on this. i did some more research and maybe the bottom TG is the?5087-7705 BITG with Option HSB which is a 3Ghz BITG Like you there is concern both show signs
By Sandra Carroll <smgvbest@...> · #112002 ·